MSA ALTAIR 5X Manual De Uso página 21

Temperature Changes
The sensors have built-in temperature compensation. However, if temperature shifts dramatically, the sensor reading
could shift.
4.2 Turning ON and Fresh Air Setup
Device operation is dialog driven from the display with the aid of the three function buttons (→
Interfaces).
For more information, see the flow charts in
Turn the device ON with the ■ button.
The device performs a self test:
During the self test, the device checks alarm LEDs, audible alarm, vibrating alarm and installed sensors.
The device displays:
• Startup logo
• Software version, device serial number, company name, department and user names
• IC / FCC ID Identifier
• Sampling system safety test
During the turn-ON sequence, if a sensor was changed since the previous device operation, the current listing of the
installed sensors displays and user interaction is required.
NOTE: The user must accept the new configuration by pressing the ▲ button. If the current sensor configuration is not
accepted, the device alarms and is not usable.
• Combustible gas type, and installed sensor indication
• Combustible gas type and sensor units (monochrome display only)
• Alarm setpoints Low Alarm
• Alarm setpoints High Alarm
• Alarm setpoints STEL Alarm (if enabled)
• Alarm setpoints TWA Alarm (if enabled)
• Settings for calibration cylinder
• Current date
• Last calibration date (if enabled)
• CAL due date. If the calibration due date is enabled, the message "CAL DUE; X DAYS" appears on the device
display.
○ X = the number of days until a calibration is due, user selectable for 1 to 180 days.
NOTE: If the number of days until calibration is due reaches 0, an alert occurs and "CAL DUE, NOW"
displays.
○ Press the ▲ button to clear the alert
• Sensor warm-up period
• Fresh Air Setup option (if enabled).
The Main Measure Page will appear.
The presence of a ♥ indicator on the display means a sensor is approaching or has reached its end-of-life. See
for details on the Sensor Life Alarm situation.
Refer to flowchart in 9.1 Basic
US
9 Appendix – Flow
Operation.
ALTAIR 5X / ALTAIR 5X IR
Charts.
4 Operation
3.2 Device Hardware
3.3 Alarms
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